Objective To evaluate the combination of quetiapine and paliperidone on metabolic function and serum factors in schizophrenia．Methods A total of 120 patients with schizophrenia admitted to Zhumadian Second People's Hospital from January 2022 to March 2023 were included,numbered according to the hospitalization number,and divided into two groups by random drawing method．Sixty patients in the control group were treated with quetiapine alone,and 60 patients in the observation group were treated with quetiapine combined with paliperidone,and the therapeutic effects of the two groups were compared．Results After treatment,the total clinical efficacy of the observation group was higher than that of the control group,P<0.05;the metabolic function indexes comparison were P> 0.05;the serum factor of observation group was higher,P<0.05;the scores of psychiatric symptoms in the group were all lower than the control group,P<0.05;the incidence of adverse reactions in the observation improve group was not different from the control group,P>0.05．Conclusions Using quetiapine and schizophrenia,can improve clinical curative effect,various mental symptoms and serum factors,although certain effect on patient metabolic function may occur,but did not significantly increase the incidence of adverse reactions,with high safety．